|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
/* |
|
4
|
|
|
* This file is part of the API Platform project. |
|
5
|
|
|
* |
|
6
|
|
|
* (c) Kévin Dunglas <[email protected]> |
|
7
|
|
|
* |
|
8
|
|
|
* For the full copyright and license information, please view the LICENSE |
|
9
|
|
|
* file that was distributed with this source code. |
|
10
|
|
|
*/ |
|
11
|
|
|
|
|
12
|
|
|
namespace ApiPlatform\Core\Bridge\Doctrine\Orm\Extension; |
|
13
|
|
|
|
|
14
|
|
|
use ApiPlatform\Core\Bridge\Doctrine\Orm\Paginator; |
|
15
|
|
|
use ApiPlatform\Core\Bridge\Doctrine\Orm\Util\QueryChecker; |
|
16
|
|
|
use ApiPlatform\Core\Bridge\Doctrine\Orm\Util\QueryNameGeneratorInterface; |
|
17
|
|
|
use ApiPlatform\Core\Metadata\Resource\Factory\ResourceMetadataFactoryInterface; |
|
18
|
|
|
use ApiPlatform\Core\Metadata\Resource\ResourceMetadata; |
|
19
|
|
|
use Doctrine\Common\Persistence\ManagerRegistry; |
|
20
|
|
|
use Doctrine\ORM\QueryBuilder; |
|
21
|
|
|
use Doctrine\ORM\Tools\Pagination\Paginator as DoctrineOrmPaginator; |
|
22
|
|
|
use Symfony\Component\HttpFoundation\Request; |
|
23
|
|
|
use Symfony\Component\HttpFoundation\RequestStack; |
|
24
|
|
|
|
|
25
|
|
|
/** |
|
26
|
|
|
* Applies pagination on the Doctrine query for resource collection when enabled. |
|
27
|
|
|
* |
|
28
|
|
|
* @author Kévin Dunglas <[email protected]> |
|
29
|
|
|
* @author Samuel ROZE <[email protected]> |
|
30
|
|
|
*/ |
|
31
|
|
|
class PaginationExtension implements QueryResultExtensionInterface |
|
32
|
|
|
{ |
|
33
|
|
|
private $managerRegistry; |
|
34
|
|
|
private $requestStack; |
|
35
|
|
|
private $resourceMetadataFactory; |
|
36
|
|
|
private $enabled; |
|
37
|
|
|
private $clientEnabled; |
|
38
|
|
|
private $clientItemsPerPage; |
|
39
|
|
|
private $itemsPerPage; |
|
40
|
|
|
private $pageParameterName; |
|
41
|
|
|
private $enabledParameterName; |
|
42
|
|
|
private $itemsPerPageParameterName; |
|
43
|
|
|
private $maximumItemPerPage; |
|
44
|
|
|
private $maximumItemPerPageEnabled; |
|
45
|
|
|
|
|
46
|
|
|
public function __construct(ManagerRegistry $managerRegistry, RequestStack $requestStack, ResourceMetadataFactoryInterface $resourceMetadataFactory, bool $enabled = true, bool $clientEnabled = false, bool $clientItemsPerPage = false, int $itemsPerPage = 30, string $pageParameterName = 'page', string $enabledParameterName = 'pagination', string $itemsPerPageParameterName = 'itemsPerPage', int $maximumItemPerPage = 300, bool $maximumItemPerPageEnabled = false) |
|
47
|
|
|
{ |
|
48
|
|
|
$this->managerRegistry = $managerRegistry; |
|
49
|
|
|
$this->requestStack = $requestStack; |
|
50
|
|
|
$this->resourceMetadataFactory = $resourceMetadataFactory; |
|
51
|
|
|
$this->enabled = $enabled; |
|
52
|
|
|
$this->clientEnabled = $clientEnabled; |
|
53
|
|
|
$this->clientItemsPerPage = $clientItemsPerPage; |
|
54
|
|
|
$this->itemsPerPage = $itemsPerPage; |
|
55
|
|
|
$this->pageParameterName = $pageParameterName; |
|
56
|
|
|
$this->enabledParameterName = $enabledParameterName; |
|
57
|
|
|
$this->itemsPerPageParameterName = $itemsPerPageParameterName; |
|
58
|
|
|
$this->maximumItemPerPage = $maximumItemPerPage; |
|
59
|
|
|
$this->maximumItemPerPageEnabled = $maximumItemPerPageEnabled; |
|
60
|
|
|
} |
|
61
|
|
|
|
|
62
|
|
|
/** |
|
63
|
|
|
* {@inheritdoc} |
|
64
|
|
|
*/ |
|
65
|
|
|
public function applyToCollection(QueryBuilder $queryBuilder, QueryNameGeneratorInterface $queryNameGenerator, string $resourceClass, string $operationName = null) |
|
66
|
|
|
{ |
|
67
|
|
|
$request = $this->requestStack->getCurrentRequest(); |
|
68
|
|
|
if (null === $request) { |
|
69
|
|
|
return; |
|
70
|
|
|
} |
|
71
|
|
|
|
|
72
|
|
|
$resourceMetadata = $this->resourceMetadataFactory->create($resourceClass); |
|
73
|
|
|
if (!$this->isPaginationEnabled($request, $resourceMetadata, $operationName)) { |
|
74
|
|
|
return; |
|
75
|
|
|
} |
|
76
|
|
|
|
|
77
|
|
|
$itemsPerPage = $resourceMetadata->getCollectionOperationAttribute($operationName, 'pagination_items_per_page', $this->itemsPerPage, true); |
|
78
|
|
|
if ($resourceMetadata->getCollectionOperationAttribute($operationName, 'pagination_client_items_per_page', $this->clientItemsPerPage, true)) { |
|
79
|
|
|
$itemsPerPage = (int) $request->query->get($this->itemsPerPageParameterName, $itemsPerPage); |
|
80
|
|
|
$itemsPerPage = ($this->maximumItemPerPage <= $itemsPerPage && $this->maximumItemPerPageEnabled ? $this->maximumItemPerPage : $itemsPerPage ); |
|
81
|
|
|
} |
|
82
|
|
|
|
|
83
|
|
|
$queryBuilder |
|
84
|
|
|
->setFirstResult(($request->query->get($this->pageParameterName, 1) - 1) * $itemsPerPage) |
|
85
|
|
|
->setMaxResults($itemsPerPage); |
|
86
|
|
|
} |
|
87
|
|
|
|
|
88
|
|
|
/** |
|
89
|
|
|
* {@inheritdoc} |
|
90
|
|
|
*/ |
|
91
|
|
|
public function supportsResult(string $resourceClass, string $operationName = null) : bool |
|
92
|
|
|
{ |
|
93
|
|
|
$request = $this->requestStack->getCurrentRequest(); |
|
94
|
|
|
if (null === $request) { |
|
95
|
|
|
return false; |
|
96
|
|
|
} |
|
97
|
|
|
|
|
98
|
|
|
$resourceMetadata = $this->resourceMetadataFactory->create($resourceClass); |
|
99
|
|
|
|
|
100
|
|
|
return $this->isPaginationEnabled($request, $resourceMetadata, $operationName); |
|
101
|
|
|
} |
|
102
|
|
|
|
|
103
|
|
|
/** |
|
104
|
|
|
* {@inheritdoc} |
|
105
|
|
|
*/ |
|
106
|
|
|
public function getResult(QueryBuilder $queryBuilder) |
|
107
|
|
|
{ |
|
108
|
|
|
$doctrineOrmPaginator = new DoctrineOrmPaginator($queryBuilder, $this->useFetchJoinCollection($queryBuilder)); |
|
109
|
|
|
$doctrineOrmPaginator->setUseOutputWalkers($this->useOutputWalkers($queryBuilder)); |
|
110
|
|
|
|
|
111
|
|
|
return new Paginator($doctrineOrmPaginator); |
|
112
|
|
|
} |
|
113
|
|
|
|
|
114
|
|
|
private function isPaginationEnabled(Request $request, ResourceMetadata $resourceMetadata, string $operationName = null) : bool |
|
115
|
|
|
{ |
|
116
|
|
|
$enabled = $resourceMetadata->getCollectionOperationAttribute($operationName, 'pagination_enabled', $this->enabled, true); |
|
117
|
|
|
$clientEnabled = $resourceMetadata->getCollectionOperationAttribute($operationName, 'pagination_client_enabled', $this->clientEnabled, true); |
|
118
|
|
|
|
|
119
|
|
|
if ($clientEnabled) { |
|
120
|
|
|
$enabled = filter_var($request->query->get($this->enabledParameterName, $enabled), FILTER_VALIDATE_BOOLEAN); |
|
121
|
|
|
} |
|
122
|
|
|
|
|
123
|
|
|
return $enabled; |
|
124
|
|
|
} |
|
125
|
|
|
|
|
126
|
|
|
/** |
|
127
|
|
|
* Determines whether the Paginator should fetch join collections, if the root entity uses composite identifiers it should not. |
|
128
|
|
|
* |
|
129
|
|
|
* @see https://github.com/doctrine/doctrine2/issues/2910 |
|
130
|
|
|
* |
|
131
|
|
|
* @param QueryBuilder $queryBuilder |
|
132
|
|
|
* |
|
133
|
|
|
* @return bool |
|
134
|
|
|
*/ |
|
135
|
|
|
private function useFetchJoinCollection(QueryBuilder $queryBuilder): bool |
|
136
|
|
|
{ |
|
137
|
|
|
return !QueryChecker::hasRootEntityWithCompositeIdentifier($queryBuilder, $this->managerRegistry); |
|
138
|
|
|
} |
|
139
|
|
|
|
|
140
|
|
|
/** |
|
141
|
|
|
* Determines whether output walkers should be used. |
|
142
|
|
|
* |
|
143
|
|
|
* @param QueryBuilder $queryBuilder |
|
144
|
|
|
* |
|
145
|
|
|
* @return bool |
|
146
|
|
|
*/ |
|
147
|
|
|
private function useOutputWalkers(QueryBuilder $queryBuilder) : bool |
|
148
|
|
|
{ |
|
149
|
|
|
/* |
|
150
|
|
|
* "Cannot count query that uses a HAVING clause. Use the output walkers for pagination" |
|
151
|
|
|
* |
|
152
|
|
|
* @see https://github.com/doctrine/doctrine2/blob/900b55d16afdcdeb5100d435a7166d3a425b9873/lib/Doctrine/ORM/Tools/Pagination/CountWalker.php#L50 |
|
153
|
|
|
*/ |
|
154
|
|
|
if (QueryChecker::hasHavingClause($queryBuilder)) { |
|
155
|
|
|
return true; |
|
156
|
|
|
} |
|
157
|
|
|
|
|
158
|
|
|
/* |
|
159
|
|
|
* "Paginating an entity with foreign key as identifier only works when using the Output Walkers. Call Paginator#setUseOutputWalkers(true) before iterating the paginator." |
|
160
|
|
|
* |
|
161
|
|
|
* @see https://github.com/doctrine/doctrine2/blob/900b55d16afdcdeb5100d435a7166d3a425b9873/lib/Doctrine/ORM/Tools/Pagination/LimitSubqueryWalker.php#L87 |
|
162
|
|
|
*/ |
|
163
|
|
|
if (QueryChecker::hasRootEntityWithForeignKeyIdentifier($queryBuilder, $this->managerRegistry)) { |
|
164
|
|
|
return true; |
|
165
|
|
|
} |
|
166
|
|
|
|
|
167
|
|
|
/* |
|
168
|
|
|
* "Cannot select distinct identifiers from query with LIMIT and ORDER BY on a column from a fetch joined to-many association. Use output walkers." |
|
169
|
|
|
* |
|
170
|
|
|
* @see https://github.com/doctrine/doctrine2/blob/900b55d16afdcdeb5100d435a7166d3a425b9873/lib/Doctrine/ORM/Tools/Pagination/LimitSubqueryWalker.php#L149 |
|
171
|
|
|
*/ |
|
172
|
|
|
if ( |
|
173
|
|
|
QueryChecker::hasMaxResults($queryBuilder) && |
|
174
|
|
|
QueryChecker::hasOrderByOnToManyJoin($queryBuilder, $this->managerRegistry) |
|
175
|
|
|
) { |
|
176
|
|
|
return true; |
|
177
|
|
|
} |
|
178
|
|
|
|
|
179
|
|
|
/* |
|
180
|
|
|
* When using composite identifiers pagination will need Output walkers |
|
181
|
|
|
*/ |
|
182
|
|
|
if (QueryChecker::hasRootEntityWithCompositeIdentifier($queryBuilder, $this->managerRegistry)) { |
|
183
|
|
|
return true; |
|
184
|
|
|
} |
|
185
|
|
|
|
|
186
|
|
|
// Disable output walkers by default (performance) |
|
187
|
|
|
return false; |
|
188
|
|
|
} |
|
189
|
|
|
} |
|
190
|
|
|
|
api-platform /
core
